AirHint found the following cheapest return flights from San Salvador (SAL) to Mexico City (MEX) in January 2026 (see full year).

Return flights

13 Jan - 20 Jan	Avianca
10 Jan - 22 Jan	Avianca
13 Jan - 18 Jan	Avianca
23 Jan - 01 Feb	Avianca
08 Jan - 15 Jan	Avianca
19 Jan - 26 Jan	Avianca
18 Jan - 26 Jan	Avianca
14 Jan - 27 Jan	Avianca
10 Jan - 24 Jan	Avianca
10 Jan - 20 Jan	Avianca
10 Jan - 21 Jan	Avianca
29 Jan - 01 Feb	Volaris Costa Rica
28 Jan - 01 Feb	Spirit Airlines
29 Jan - 01 Feb	Avianca	direct
31 Jan - 06 Feb	Avianca
31 Jan - 05 Feb	Avianca
30 Jan - 05 Feb	Avianca
28 Jan - 02 Feb	Avianca
30 Jan - 01 Feb	Avianca
05 Jan - 20 Feb	Copa

Also check the deals for one-way flights from San Salvador to Mexico City in January.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from San Salvador to Mexico City in January from $233

Return flights